VIIIth International Congress of Photogrammetry: Reprints of papers

Fagerholm, P. O.; Lycken, L. E.; Thunberg, A.; Öhlin, K. A.

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Multivolume work

Persistent identifier:: 1048861678

Title:: VIIIth International Congress of Photogrammetry

Sub title:: Stockholm, Sweden, July 17 - 26, 1956

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048861678

Language:: English

Other Title:: Paralleltitel: VIIIe Congrès International de Photogrammétrie

Editor:: Fagerholm, P. O.

Corporations:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Adapter:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Founder of work:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Other corporate:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Document type:: Multivolume work

Volume

Persistent identifier:: 1048997812

Title:: Reprints of papers

Scope:: circa 1120 Seiten in verschiedenen Seitenzählungen

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048997812

Illustration:: Illustrationen

Signature of the source:: ZS 312(12,4a)

Language:: French

Other Title:: Paralleltitel: Tirages a part

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Contributor:: Lycken, L. E.; Thunberg, A.; Öhlin, K. A.

Editor:: Fagerholm, P. O.

Corporations:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Adapter:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Founder of work:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Other corporate:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: COMMISSION I

Write comment:: Nicht alle Vorträge enthalten

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: New Photogrammetric Lenses By L. Bertele

Document type:: Multivolume work

Structure type:: Chapter

COMMISSION ] Appendix to B5 PHOTOGRAMMETRY, Vol. Xs 1084 New Photogrammetric Lenses By L. Bertele, Heerbrugg Lecture held at the VIII th International Congress of Photogrammetry, Stockholm, July 1956 After having developed, in 1947 and 1948, the distorsionfree Aviotar f:4 normal angle lens of great brightness for photogrammetric purposes, we still had three more problems to solve, i. e. the creation of an equivalent wide angle lens, of a wide angle enlarging lens and of a super wide ———À angle lens. | will sum up the review ot all three of them in one as their development was guided by the same principle. The train of my thaughts was the following one: trazine )g/m In order not to lose the general view, right from the beginning, over the many reproduction de- fects to remove when developing a distorsionfree wide angle lens, it turned out to be useful to start with a lens series with concentric curvatures of all lens surfaces. Any line going through the common centre thus represents an optical axis so that, if using a spherical emulsion bearer concentrically mounted, one obtains an angle of nearly 180° with an image quality that is not quite good but at least absolutely uniform, this on condition that the focal distance of this sys- tem is positive. As such an emulsion bearer is unwelcome for self-evident reasons, one must first of all provide for a levelling of the reproduction field without introducing any distorsion whereby one has to waive some of the concentrically disposed lens surfaces. On this base there remains only two construction possibilities. Either the lens centre is an air sphere with a glass cover (fig. 1) or a pure glass sphere (fig. 2) whereby the air slit provided in the glass > Bild Fig. 1 Fig. 2 SERRE AT TA ey, E bia fea oit abide ^ Me ess a éd teet Pi és en: 1 ¥ | E] "n 11} FH , bull ZN I Inl Ë | HI : | * LE i SEI I al fi} HE LHI i n B à i | I a | bk: ! i i ti 1 i IE a I a EH € " IER VE { i i H n 1] | | ; | i

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